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Author:
杨欣霞
GeoGebra
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兩位數加法
錐體建築師
第八周作业
判斷球體
找出對稱軸
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部分佔全部的百分率: 例3
固定周界長方形的面積變化(一)
Parabola_Vertical
Copy of 二次函數圖形
咖啡杯的軌跡圖形
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Arithmetic
Histogram
Translation
Means
Line Segment